HP EliteBook 840 G2 Notebook PC Maintenance And Service Manual page 132

Non Volatile Amount
Memory Type (Size)
Bluetooth flash 2Mbit
802.11 WLAN 4kb to 8kb
EEPROM
Web Camera 64K bit
Fingerprint Reader 512kByte
Flash
122 Chapter 10 Statement of Volatility
Does this Does this
memory memory
store retain data
customer when power
data? is removed?
No Yes
No Yes
No Yes
Yes Yes
What is How is data input into this
the purpose of memory?
this memory?
Stores Programmed at the factory.
Bluetooth Tools for writing data to this
configuration memory are not publicly
and firmware. available but can be obtained
from the silicon vendor.
Stores Programmed at the factory.
configuration Tools for writing data to this
and calibration memory are not made public.
data.
Store Web Cam Using a utility from the device
configuration manufacturer that can be run
and firmware. from Windows.
Stores By enrolling in HP
fingerprint ProtectTools Security
templates. Manager.
How is this memory write
protected?
A utility is required for
writing data to this
memory and is made
available through newer
versions of the driver if
the flash requires an
upgrade.
A utility is required for
writing data to this
memory and is typically
not made available to
the public unless a
firmware upgrade is
necessary to address a
unique issue.
A utility is required for
writing data to this
memory and is typically
not made available to
the public unless a
firmware upgrade is
necessary to address a
unique issue.
Only a digitally signed
application can make
the call to write to
the flash.
ENWW